| 摘要 |
The invention relates to a rotating stitcher (4) for driving U-shaped wire stitches (43) into printed products (3) being conveyed along a linear path. The invention also relates to a stapling closing device (5) co-operating with the stitcher (4), for closing the wire stitches (43). The rotating stitcher (4) has stitching heads (7) which are hinged around a rotating support (6). A control device guarantees that the stitching heads (7) are swung into a position where the direction of displacement (E) of the stitch plunger (10) is at right angles to the direction of transport (A) of the products (3) to be stitched. This takes place before or during entry of the stitching head (7) into the stitching area. While the wire stitches are driven in and stitched, the stitching heads (7) are held in this position and thus move linearly in the stitching area. The heads (32) of the stapling closing device (5) are guided in the same way, so that they move linearly during stapling, just like the allocated staple head (7).
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